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June 17, 1924. I

. l. KRESH CASH REGISTER ATTACHMENT Filed April 6, 1923 gig:

IN VEN TOR q [I'M/fljfiS/L ATTO.RNEY.

Patented June 1'1, 1924.

' UNITED STATES ravme lumen, or aaooxmm, new You.

cans:amers'ma mmcnmr.

Application fled April 8, 1988. Serial Io. mm.

To all whom it may concern: Be it known that I, Invme Karen, a citizenof the United stateiknesiding at Brook- 1 in the county of gs and Stateof l d w York, have invented certain new and useful Improvements inCash-Register Attachments, of which the following is a specification.

This invention relates to attachments for cash registers and the likeand more particularly to a novel and im roved currency detector wherebyspurious ills may be examined during the interim of making change. 7

Oneof the objects of my invention is the provision of a transparentplate conveniently located on the frame or casin of a cash register forinstance, or within the drawer of the same, including provision wherebysaid plate will be illuminated from beneath when the, drawer is openedso that a bill placed upon the plate can be carefully observed and thecharacteristic impressions noted to determine its legality during theact of returnin change without notice or observation on the part of thecustomer presenting the bill.

Another object of my invention is the no vision of a cash registerattachment inc uding a make and break circuit cooperating with thedrawer of the register for illuminating an electrielight or bulb placedbeneath the transparent plate for the purpose of inspecting t e billpresented during the act of makin chan e.

With the above jects in view and others which will be more readilyunderstood as the description proceeds and when taken in connection withthe accompanying drawigu're 1 is a side view of a cash register showmgthe invention.

Figure 2 is a cross section showing the invention and its relation tothe cash drawer.

Fi 3 is a top plan partly in 880131011, showmg the relative arrangementof the transparent" plate with the globe and the connector. Figure 4 isa section taken on the 11118 4-4 of Figure 2. I

Referring now to the drawings wherein like reference charactersdesignate corresponding parts throughout the several views, 5 designatesgenerally the casing of a cash register or the like and 6 the keysthereof, which, when depressed automatically operate and permit the cashdrawer 7 to slide outwardly as indicated by Fi e 1 of the drawing. Onthe ledge or b r it shelf 8 of the re 'ster and intermediate the sidesthereof, I ave provided a transparent plate 9 preferably of glass, whichis of a length sli htly longer than the conventional size 0 le 1 tender,such as a 1, 5, 10 or dollar bill The plate 9 is also of a widthslightly wider than the bill and as shown, 1s provided with a flangedportion 10 whlch is seated in a recess or cut out in the shelf 8 andsecured thereto by the fastening element 11 as clearly shown. While Ihave illustrated and shown the trans arent plate 9 as positioned on theshel or ledge of the register casing, it'should be rea ized that thetransparent plate might be connected in various other manner to theframework or if so desired, may be installed directl in a compartment inthe cash drawer 7. U nder ordinary circumstances, in examining currency,amagnifying glass is also used and while the same is not shown, it maybe attached to the casing or the side of one of the com artments in thedrawer for use in connectlon with the illuminated transparent plate 9.

Secured to the side of the ledge or shelf 8, I have provided a plate 12,having a socket 13 to which an elliptical bulb 14 is attached by thebayonet slot 15. The con nectors 17, 18, leading to the Socket and tothe battery (not shown), are connected to the contact plates 19, 20,which plates cooperate wit a contact plate 21, on the top edge of theslidin drawer. It will thus be seen that when t e drawer is opened,contact will be eflected and the bulb 14 will be illuminated and on theother'hand, when the drawer is closed, the circuit will be broken. Couently, when presenting a bill to the cler the same is usually placed onthe transparent late 9 and as the keys 6 are de ressed, the grawer willslide outward and t e bulb 14 will be illuminated. During the act of mchange, the clerk can closely examine the bill placed over theilluminated plate and its legality uickly determined as by closelyexamining t e threads or other characteristic indicia on the bill as iswell known.

While I have illustrated and described spirit of my invention with somedegree of particularity, I realize that in practice variousalterationsththereilrli mag befilade. I mm reserve erig tan pn egeo c gthe form of the details of construction or otherwise altering thearrangement of the correlated artswithout departing from the theinvention or the scope of the ended claims.

vin thus described my invention, what I c aim as new anddesire to secureby United States Letters Patent is 2- 1. In combination with a casingand sliding drawer of a cash register, a transparent plate, means forsecuring the said plate to the front of the casing, and an incandescentbulb positioned beneath said plate and incan means for illuminating saidbulb only when the drawer is opened.

-2. In combination with the casing and drawer of a cash register, atransparent late, means for securing the plate to the ontfortion of thecasing, a socket and an escent bulb therefor attached to the casing andbeneath the plate, contacts and conductors leading to the bulb andsocket, a contact on the drawer in circuit with the conductors wherebythe bulb will be illumin'ated only when the drawer is opened to permitof the observation of legal tender 3o placed on the said plate.

In testimony whereof I allix my signature.

IRVING KRESH. as

